package com.ljy.jymail.product.config;


import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@Configuration
@EnableCaching
@EnableConfigurationProperties(CacheProperties.class)
public class MyCacheConfig {

    @Bean
    RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties){
        RedisCacheConfiguration configuration = RedisCacheConfiguration.defaultCacheConfig();
        //修改k,v序列化机制
        configuration = configuration.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
        configuration = configuration.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));

        //使配置文件中的配置生效
        CacheProperties.Redis redis = cacheProperties.getRedis();

        if (redis.getTimeToLive()!=null){
            configuration = configuration.entryTtl(redis.getTimeToLive());
        }
        if (redis.getKeyPrefix()!=null){
            configuration = configuration.prefixKeysWith(redis.getKeyPrefix());
        }
        if (!redis.isCacheNullValues()){
            configuration = configuration.disableCachingNullValues();
        }
        if (!redis.isUseKeyPrefix()){
            configuration = configuration.disableKeyPrefix();
        }

        return configuration;
    }

}
